Frost dates 2026–2027

Frost dates for Brunswick, Georgia

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Brunswick, 3.0 mi away (close match).

Last spring frostFeb 8
First fall frostDec 25
314 frost-free days
Last spring frostFeb 81 year in 10 after Mar 10
First fall frostDec 251 year in 10 by Nov 26
Growing season314 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

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Will it freeze in Brunswick in the next 7 nights?

No overnight lows at or below 32°F are forecast in Brunswick during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 66°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 6:00 AM EST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Brunswick

The median first fall hard-freeze date (28°F) is January 6, from NOAA’s 1991–2020 Climate Normals at Brunswick. This is the 50% probability date, not a forecast for this year.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Jan 31 · Feb 27 · Mar 19 Nov 14 · Dec 4 · Jan 2 281 days
32°F freeze Jan 9 · Feb 8 · Mar 10 Nov 26 · Dec 25 · Jan 20 314 days
28°F hard freeze Dec 28 · Jan 24 · Feb 26 Dec 9 · Jan 6 · Feb 4 343 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00091340. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Brunswick

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Brunswick, GA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Brunswick (station USC00091340, elevation 13 ft), 3.0 mi from Brunswick. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Brunswick

CityDistanceLast spring frostFirst fall frost
St. Marys, GA 27 mi Feb 19 Dec 14
Kingsland, GA 28 mi Mar 14 Nov 25
Fernandina Beach, FL 33 mi Feb 2 Jan 4
Jesup, GA 40 mi Mar 24 Nov 10
Hinesville, GA 48 mi Mar 5 Nov 29
Waycross, GA 53 mi Mar 15 Nov 17
Richmond Hill, GA 53 mi Mar 2 Nov 30
Atlantic Beach, FL 55 mi Jan 31 Jan 10
Jacksonville, FL 57 mi Feb 1 Jan 5
Neptune Beach, FL 57 mi Jan 31 Jan 10

Frequently asked questions

When is the last frost in Brunswick?

On average, the last spring frost (32°F) in Brunswick is around February 8. In about 1 year in 10 it comes after March 10, and in 9 years in 10 it comes after January 9.

When is the first frost in Brunswick?

The first fall frost (32°F) usually arrives around December 25. There’s a 10% chance of a freeze by November 26 and a 90% chance by January 20.

Can it frost in Brunswick after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after February 27.

What growing zone is Brunswick?

Brunswick is in USDA Plant Hardiness Zone 9a (average annual extreme minimum temperature 20 to 25°F), based on the 2023 USDA map for ZIP code 31520. See growing zones in Georgia.

More: all Georgia frost dates · Georgia growing zones · frost vs. freeze